<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<form action="http://132.232.14.106:9501/index/index/update" enctype="multipart/form-data" method="post">
<input type="file" name="img">
    <button>提交</button>
</form>
</body>
</html>